(0 7 3)(1 21 19)(2 15 8 5 4)(6 17 14 11 9)(10 13 12)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 3 7)

(0 3 7)(1 21 19)(2 15 8 5 4)(6 17 14 11 9)(10 13 12)(16 20 18)
2: (2 15 4)

(0 3 7)(1 21 19)(2)(4 8 5)(6 17 14 11 9)(10 13 12)(15)(16 20 18)
3: (6 17 14)

(0 3 7)(1 21 19)(2)(4 8 5)(6 11 9)(10 13 12)(14)(15)(16 20 18)(17)
4: (0 3 7)

(0)(1 21 19)(2)(3)(4 8 5)(6 11 9)(7)(10 13 12)(14)(15)(16 20 18)(17)